Resources Downloads IPM Manual (5MB PDF) Links Goldspotted Oak Borer Resources Children's Book on Invasive Weeds childrens_book_on_invasives (email LTom@acwm.lacounty.gov to request free copies) An Open Invitation to Wildlife Poster Open Invitation Poster (email LTom@acwm.lacounty.gov to request free copies)
Halogeton Halogeton (Halogeton glomeratus) is a native of Asia that has rapidly spread to millions of acres in the western states. A member of the goosefoot family (Chenopodiaceae) Halogeton is well adapted to alkaline soils and the semi-arid environment of the high desert where it quickly invades disturbed or overgrazed lands. Halogeton produces toxic [...]
ANIMAL SERVICESMammals, Birds & InsectsFor assistance with problems associated with gophers, ground squirrels, rats, mice, small predators, birds, bee swarms, bee hives, Red Imported Fire Ants and other insects:Main Office (Arcadia) (626) 575-5462East District (Bonelli Park)Aimee Perrow (626) 575-5462South District (Southgate)Nam Nguyen (562) 622-0449West District (Olive View)Patrick Duggan (818) 833-6382North District/Antelope Valley (Lancaster)Christian Linardy (661) [...]
To download a printer-friendly PDF of the Pre-Application Survey & Checklist, please click on the image below.
Spotted Knapweed Spotted knapweed (Centaurea maculosa) was introduced into the United States from Eurasia as a contaminant of alfalfa and clover seeds. Knapweeds are prolific competitors for soil moisture and nutrients to the detriment of desirable vegetation and biodiversity. There is some evidence to suggest that spotted knapweed is allelopatic which means it releases [...]
Rush Skeletonweed Rush skeletonweed (Chondrilla juncea) is a non-native invasive plant originally from Southern Europe. A member of the daisy family (Asteraceae) it gets its common name because of its spindly, almost leafless branched stems at maturity. Rush skeletonweed can spread rapidly and is very difficult to eradicate once established. It is highly competitive [...]
Dalmatian Toadflax Dalmatian toadflax (Linaria dalmatica) is a…Dalmatian Toadflax, Linaria dalmatica is a short lived perennial that is native to the Mediterranean region. It can readily be established in disturbed areas, along roadsides, pastures and mountain meadows. In California, Dalmatian Toadflax blooms from April through August and flowers produce very tiny seeds that are [...]
In order to prevent the spread of Alligatorweed, a non-indigenous and highly invasive aquatic plant, the Director of the California Department of Food and Agriculture has designated all of Los Angeles County as an Alligatorweed Eradication Area[1]. Within the county, the Agricultural Commissioner has imposed a Notice to Hold (Notice) covering areas of the county [...]
Information Sources on Common Pests and Pest Management Solutions Weeds Common garden weeds of Western Los Angeles County http://www.gardenawillows.org/commonweeds.pdf This website, managed by the University of California, Cooperative Extension & Agricultural Experiment Station, is a very interesting and rich resource on weeds, weed I.D., herbicides, and other information. It also has a fun weed identification [...]
Alligatorweed Alligatorweed (Alternanthera philoxeroides) is a non-indigenous and highly invasive aquatic plant native to South America which has invaded many parts of the eastern United States. The extremely high potential for growth of this invasive plant impairs the ability of flood waters to empty rapidly during a heavy water load which significantly increases risks of [...]
